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Clarification and reassurance on Sundstrand 90-2062 fuild replacement
ztnoo posted a topic in Transmissions and transaxles
As many of you know, I've been in a prolonged battle with the rear hubs, woodruff keys, and oil seals on my 1969 GT 14, Model # 1-7441. I'm to the point of installing the new SKF oil seals today as soon as I can round up one more PVC fitting to properly size it to my seals for tap in installation. After that, its spin on the new NAPA 1410 hydraulic filter, and then fill with ATF. When I drained the tranny, I measured and computed the volume of ATF taken. It was right at 128 oz. + or - maybe two ounces. The volume spec says 4 qts. (4 qts. = 1 gallon = 128 oz.) So I know I was within spec, and wasn't losing large amounts of fluid, although I have a couple of random minor seepage locations on the tractor.......mostly around the control value which raises and lowers the mower deck. ATF is always what has been in the tranny, so that's what's going back in. My reason for caution regarding what to use specifically is probably more a matter of jargon and my understanding of terminology than anything. Of course, since my GT 14 was a first model year tractor, Type A transmission fluid was specified in all the literature. Type A is no longer available, but it my understanding is that equates with Dextron II. But isn't Dextron II now an outdated designation? If so, what should I be putting back into this Sundstrand 90-2062 tranny to ensure continued adequate trouble-free lubrication??? I have more than a little angst over wanting to make sure I used the right product in this transmission. The changes in products over the years makes it very confusing for those of us who only occasionally wander in and out of discussions like this and automotive/mechanical related jargon and word usage generally. So gentlemen, what are your specific recommendations on tranny fluid to use in my Sundstrand, and is there any particular brand any of you favor over another? Or is it pretty much the case that ATF is ATF is ATF, the world around? Looking forward to your suggestions and recommendations. Regards, Steve